88b02693-62fe-467a-a18f-ec27646a2ba9 English series series Gregor Calderwood Total Exploration and Production UK Limited +44 (0) 20 7416 4200 gregor.calderwood@external.totalenergies.com pointOfContact 2025-06-25 MEDIN 3.1.2 EPSG Geodetic Parameter Registry 2021-01-06 revision WGS 84 2021-2023, HiDEF, Outer Dowsing, Array Area, Seabird and Marine Megafauna 2024-02-26 publication 2024-02-26 revision MDE-TCE-181-4215 In March 2021, GoBe Consultants commissioned HiDef Aerial Surveying Limited (‘HiDef’) to undertake a programme of high-resolution digital video aerial surveys for marine megafauna, ornithological and human activity over the proposed Green Investment Group (GIG) and TotalEnergies Outer Dowsing offshore wind development site (‘Outer Dowsing’). The Outer Dowsing project is a proposed offshore wind farm, located approximately 54km from the Lincolnshire coast. Monthly surveys were flown from March 2021 to February 2022 and September 2022 to August 2023, with bi-monthly surveys flown between March and September 2022, providing 37 surveys in total. HiDef designed a survey that placed transects 1.5km apart across the originally proposed Outer Dowsing development area plus a 4km surrounding buffer (‘the survey area’). The total survey area was approximately 926km2 . Gregor Calderwood Total Exploration and Production UK Limited +44 (0) 20 7416 4200 gregor.calderwood@external.totalenergies.com owner The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk custodian HiDef Aerial Surveying Limited +44 (0)1946 814463 enquiries@hidefsurveying.co.uk originator The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk distributor notPlanned Marine Environmental Data and Information Network MEDIN metadata record availability 2025-06-25 revision Habitats and biotopes GEMET - INSPIRE themes, version 1.0 2021-09-28 revision Bird counts SeaDataNet Parameter Discovery Vocabulary 2021-09-28 revision otherRestrictions . otherRestrictions . English 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 biota 0.930 1.610 53.420 53.720 SeaVox salt and freshwater body gazetteer 2021-01-06 creation North Sea 2021-03-01 2023-08-31 SeaVoX Vertical Co-ordinate Coverages 2021-01-06 revision unknown Documents https://admin.marinedataexchange.co.uk/tce/site/181/series/4215/summary Seabird and Marine Megafauna series Data Specification on Orthoimagery - Draft Technical Guidelines 2013-02-03 publication NA false Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 publication false NA